| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Germany | 4 | |
| #3 | France | 3 | |
| #4 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Goods for writing upon | |
| #2 | Writing or drawing tools | |
| #3 | Fillers | |
| #4 | Containers for goods storage | |
| #5 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koelichen Harald | 3 |
| #2 | Edgar Wassmann | 2 |
| #3 | Wassmann Edgar | 1 |
| #4 | Arnoti Bela | 1 |
| #5 | Harald Koelichen | 1 |
| #6 | Andreas Koelichen Harald Karol | 1 |
| #7 | Hoffmann Fritz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1121296A | Method and device for cleaning ink writing instruments | |
| US3399019A | Cartridge safety means for refillable pen | |
| GB1101635A | Improvements in and relating to funnel type pens for stencil writing | |
| US3393637A | Stencils for lettering and the like and method and tool for manufacturing such stencil | |
| GB1018687A | Improvements in and relating to scribing instruments, more particularly for letteringsets | |
| GB911674A | Improvements relating to lettering or drawing stencils | |
| GB857986A | Small tube drawing pen |